| Reaction | |
|---|
| Acute coronary syndrome (22) | |
| Aneurysm (8) | |
| Angina (88) | |
| Aortic dissection (6) | |
| Aortitis / periaortitis (3) | |
| Arrhythmias (175) | |
| Arterial occlusion (14) | |
| Arterial thromboembolism (5) | |
| Arteriosclerosis (2) | |
| Asystole (17) | |
| Atrial fibrillation (152) | |
| Atrial flutter (13) | |
| Atrioventricular block (83) | |
